/*
 * Copyright 2008-present MongoDB, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.mongodb.client.model;

import org.bson.BsonDocument;
import org.bson.BsonDocumentWriter;
import org.bson.codecs.Codec;
import org.bson.codecs.EncoderContext;
import org.bson.codecs.configuration.CodecRegistry;
import org.bson.conversions.Bson;

import static com.mongodb.MongoClientSettings.getDefaultCodecRegistry;

final class BsonHelper {
    private static final CodecRegistry CODEC_REGISTRY = getDefaultCodecRegistry();

    @SuppressWarnings("unchecked")
    static BsonDocument toBson(final Bson bson) {
        BsonDocumentWriter writer = new BsonDocumentWriter(new BsonDocument());
        ((Codec<Bson>) CODEC_REGISTRY.get(bson.getClass())).encode(writer, bson, EncoderContext.builder().build());
        return writer.getDocument();
    }

    private BsonHelper() {
    }

}
